#整型
n = 123
#浮点型
f = 456.789
#字符串
s1 = 'hello, python!'
s2 = "hello, \"python\""
s3 = r'hello, "python"'
s4 = r'''hello, 
Lisa'''

print("n = ", n)
print("f = ", f)
print("s1 = ", s1)
print("s2 = ", s2)
print("s3 = ", s3)
print("s4 = ", s4)

#整除
print("10 / 3 = ", 10 / 3)
print("10 // 3 = ", 10 // 3)
#求余
print("10 % 3 = ", 10 % 3)